[Vào Cá»ÂÂa Triết �ông] [Willy Morrison] [Hồ sÆ¡ bà ẩn táºp 2] [kiểm tra há» c kỳ váºÂÂt lý 11] [Ò�~â� ��SiÒ¡� »â� �¡p] [hd ��ޥ����`��ζ] [���� ҩ������ȫ��] [ly+hôn] [Step 1: Develop and Refine Your HypothesisCome up with a hypothesis based on an issue that you can actually investigate—perhaps by polling or interviewing your classmates, creating case studies, or posting a survey online. If you post online, don’t give your personal information to strangers, an] [плакат Издание ÐžÑ€Ð»ÐµÐ²Ñ ÐºÐ¾Ð³Ð¾ Ð“ÑƒÐ±Ð¿Ð¾Ð»Ð¸Ñ‚Ð¿Ñ€Ð¾Ñ Ð¾Ð²ÐµÑ‚]